APA-referens (7:e uppl.)

Não informado. (2021). Engineering Index Monthly and Author Index. Engineering Index.

Chicago-referens (17:e uppl.)

Não informado. Engineering Index Monthly and Author Index. New York: Engineering Index, 2021.

MLA-referens (8:e uppl.)

Não informado. Engineering Index Monthly and Author Index. Engineering Index, 2021.

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